"To my beloved Marie – RIP," Heaton tweeted, along with a photo of the two and a message reading in part, "Truly the end of an era."
SEE ALSO: Hollywood's Notable Deaths of 2016 (Photos)
Born in St. Louis, Missouri, in 1925, Roberts began acting in 1952, appearing on the television series "Studio One." Appearances on "The Naked City," "Ben Casey" and "The Defenders" followed. She first appeared on the big screen in the 1961 film "Something Wild."
Roberts' other film credits include "A Lovely Way to Die," "No Way to Treat a Lady" and "The Honeymoon Killers." On television, she also appeared on "Mary Hartman, Mary Hartman," "Full House" and "All in the Family."
Roberts was probably best known to television audiences, however, as Marie Barone, the aggressively nosy, completely biased mother of Ray and Robert Barone on "Everybody Loves Raymond," which ran f-rom 1996 to 2005, and starredRay Romano, Heaton, Brad Garrett, Peter Boyle, Madylin Sweeten and Monica Horan.
Roberts won five Emmy awards in her lifetime, four for her performances on "Raymond" and a fifth for an appearance on "St. Elsewhe-re." She also won a Screen Actors Guild Award for her work on "Raymond."
Roberts was married twice. She wed writer Michael Cannata, with whom she had a son, in 1956. Her second marriage, to writer William Goyen, lasted f-rom 1963 until his death f-rom leukemia in 1983.
SEE ALSO: 'Everybody Loves Raymond' Star Sues Soap Opera Creator for Fraud
In addition to her son, Michael Cannata, Jr., Roberts is survived by three grandchildren.